Skip to content

Top Articles of the Day | 21-Sep-2026

Read the best articles of today, from around the globe, curated at one place for you!

AI & Data

Pick #1
Your AI Knows How to Answer. But Who Teaches It What a Good Answer Is?
Dev.to 5 min read 11 reactions

Hello, I'm Rijul, and I'm building LiveReview — a blast-radius aware AI code review built for your...

Pick #2
Can I Let My AI Agent Run on Shabbat?
Hacker News 27 points

Read this Hacker News article from chabad.org.

Pick #3
What Retrieval Still Hasn't Decided
Dev.to 11 min read 2 reactions

Started building a reranker CLI on top of Jev for the obvious reason: get the relevant documents to...

Product

Pick #1
Dev log #22 Tearing out the old: Deleting 3,800 lines of legacy p2p code
Dev.to 5 min read 20 reactions

Hi, glad you found your way here. I'm Yash, a developer who contributes to open source, mostly p2p...

Pick #2
Blacksmith's GitHub Actions runners finished the same job 3 to 4 times faster than GitHub hosted Actions, across 10 trials
Dev.to 5 min read 16 reactions

I benchmarked Blacksmith against github-hosted ubuntu-latest with 10 repeated trials each on an identical GitHub Actions job. Blacksmith ran 3.17x to 3.77x faster with noticeably tighter variance, but it wouldn't even queue until I moved the repo into an organization.

Pick #3
I am often wrong
Hacker News 2 min read 151 points

[I shared this note with my team earlier this week, and am posting it here as well. I hope it is interesting or helpful for others working on building product in the age of AI.]

Programming

Pick #1
Nobody pays for FOSS, we can force them to
Hacker News 23 min read 168 points

Thirty years of voluntary funding schemes haven't paid open source maintainers because asking doesn't scale. The real money already flows — to JFrog, Docker, Sonatype — at the registry layer. The fix: registries charge companies for supply (they already do), then route a slice automatically to the m

Pick #2
I Resurrected a Dead CRC Crate and It Suddenly Went Viral
Dev.to 11 min read 16 reactions

Bonjour 👋! So there I was, browsing crates.io at an hour that most reasonable people would...

Pick #3
Inside TypeScript 7: Arena Allocation and AST Memory Layout
Dev.to 14 min read 5 reactions

How TypeScript 7 uses typed arenas in its NodeFactory, what that means for AST memory layout, and why it does not make an entire syntax tree contiguous.

Developed withby Supratim Haldar